Bootloop After Updating To Miui 9

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Device MI4C, twrp 3.0.2
I use weekly xiaomi.eu firmware.
After updating from 7.9.14 to 7.9.21 I have bootloop. Downgrade is solved my problem.
I decided to downgrade to stable 8.5.1.0 and wait for v9 stable.
Today I updated to stable 9.1.2.0 and it also bootlooped, so downgrade to v8 stable.
What do you think about?

 

[dogiex]

Device MI4C, twrp 3.0.2
I use weekly xiaomi.eu firmware.
After updating from 7.9.14 to 7.9.21 I have bootloop. Downgrade is solved my problem.
I decided to downgrade to stable 8.5.1.0 and wait for v9 stable.
Today I updated to stable 9.1.2.0 and it also bootlooped, so downgrade to v8 stable.
What do you think about?

Try unlocking bootloader again, check if it got locked after update.

 

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Try unlocking bootloader again, check if it got locked after update.

Twrp and fastboot available while in bootloop state.

Ok now, on stable v8 I have "Device unlocked: false". Shold I unlock before or after updating?

 

[dogiex]

Twrp and fastboot available while in bootloop state.

Ok now, on stable v8 I have "Device unlocked: false". Shold I unlock before or after updating?

If your device bootloader is locked, then unlock it and flash the new rom.

 

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If your device bootloader is locked, then unlock it and flash the new rom.

Thanks a lot. It works for me!